VTFLib is a LGPL open source programming library that provides a C and C++ API for reading and writing Valve VTF and VMT format image files.

uSource is a plugin for importing MDL / BSP / VMT / VTF and etc... resources to Unity!

Three.js loader for parsing Valve's Source Engine models

A toolset that can 100% automatically port Source Engine levels into clumps of Roblox assets and models.

VTF plugin for Gimp on Linux

C# parsers and formats for Half-Life 1 and related engines.

A VTF converter and editor

Tools for importing Source Engine material (.vmt) files into Blender

A Rust library for converting Source Engine VMF maps into a generic 3D format.

Portal 2 assets converted to use in Source SDK 2013

A Python library to convert Valve Texture Format (VTF) files to images

Editor tools that streamline use of Valve assets in Unity

Injecting lua code in working VTF files and then running it

Go package for parsing Source Engine textures (.vtf)

Software for converting VTF images into different versions

A tool to read the header and export images from VTFX files (xbox/ps3 source engine)

A wrapper for Nem's VTFLib

Golang package for parsing .vmt Valve Material files

Simple and modern C++ library for parsing the Valve Texture Format

A C#/WPF wrapper around Valve Corporation's vtex.exe VTF Converter